A voltage-controllable VO₂ based metamaterial perfect absorber for CO₂ gas sensing application

Abstract

Vanadium dioxide (VO2) based metamaterial perfect absorbers (MPAs) have high potential application values in sensing gas molecules. However, such tuning mechanism via temperature manipulation lacks the compatibility to the electronic...

A tunable color filter using a hybrid metasurface composed of ZnO nanopillars and Ag nanoholes

“…The resonances maintain very well under different angles of incident electromagnetic waves. This work paves the way to the widespread optoelectronics applications, such as sensors, optical filters, ultrahighresolution and anti-counterfeit displays [42][43][44][45][46][47][48][49].…”

“…This work paves the way to widespread optoelectronic applications, such as sensors, optical lters, and ultrahigh-resolution and anti-counterfeit displays. [42][43][44][45][46][47][48][49]…”

Greenhouse Gas Detection Based on Infrared Nanophotonic Devices

“…In addition, these structures have near-unit absorption coefficient with almost no limitation on the angle and polarization of light. Thus, MIM structures are ideal candidates to establish novel plasma-enhanced infrared sensing microsystems, such as spectrally selective microbolometer radio thermometers [103], nano-/microelectromechanical systems (N/MEMS) resonant infrared sensors [104], etc. Fig.…”

Larger-Than-Unity External Optical Field Confinement Enabled by Metamaterial-Assisted Comb Waveguide for Ultrasensitive Long-Wave Infrared Gas Spectroscopy

“…Optical sensors have experienced rapid advancement over the past decade in the ever-growing field of gas sensing, with applications ranging from environmental monitoring to medical diagnostics. − Among various optical sensing technologies, infrared tunable diode laser absorption spectroscopy (IR-TDLAS) is the one that targets the “fingerprints” derived from rovibrational transitions of molecules, enabling label-free analysis with inherent selectivity, which is promising for multiplexed sensing in complex environments. , In particular, nanophotonic waveguides that implement long optical pathlengths on chips enable the development of compact, fieldable, and cost-effective on-chip IR-TDLAS sensors for large-scale sensor deployment. − …”